<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <title></title>
        <style type="text/css">


        </style>
    </head>
    <body>
            <form method="POST">
                <input type="text" id="username" name="username"/>
                <input type="password" id="password" name="password">
                <br/>
                <input type="radio" name="gender" id="" value="男">男
                <input type="radio" name="gender" id="" value="女">女
                <br/>
                <h3>请选择你喜欢的城市？</h3>
                <input type="checkbox" name="city" id="" value="北京">北京
                <input type="checkbox" name="city" id="" value="上海 ">上海
                <input type="checkbox" name="city" id="" value="广州">广州
                <input type="checkbox" name="city" id="" value="西安">西安
                <br/>
                <input type="submit" name="" id="" value="注册">
            </form>
    </body>
</html>